package io;

import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

public class WriteStringDemo {
    public static void main(String[] args) throws IOException {
       FileOutputStream fos = new FileOutputStream("fos.txt",true);
       String line =  "凉凉";
       byte[] data = line.getBytes(StandardCharsets.UTF_8);
       fos.write(data);
       fos.close();
    }
}
